//运动模块的顶部导航
.navbar {
    line-height: 40px;
    border-bottom: 2px solid #eee;
    display: flex;
    justify-content: space-around;
    font-size: 18px;

    a {
        color: #888;

        &.active {
            color: #4294ff;
        }

        &.active::after {
            content: "";
            display: block;
            background: #4294ff;
            height: 3px;
            width: 80%;
            margin: 0 auto;
        }
    }
}